Arrowhead construction



Feb. 17,1959

J. HAUCH ARRQWHEAD CONSTRUCTION 2 Sheets-Sheet 1 Filed May 23. 1957mmvrox JOHN HA UCH Feb. 17, 1959 Filed Ma 25, 1957 J. HAUCH ARROWHEADCONSTRUCTION 2 Sheets-Sheet 2 INVENTOR. /0HN Mac/l United States iceARROWHEAD CONSTRUCTION 'John Hauch, Stevensville, Mich.

Application May 23, 1957, Serial No. 661,256 Claims. 01. 273-106.5)

This invention relates in general to an arrowhead construetion and, moreparticularly, to a type thereof frequently referred to as a broadheadand especially adapted for a hunting arrow. This application is acontinuation-in-part of my application Serial No. 608,580, filedSeptember 7, 1956, now abandoned.

Persons acquainted with the methods and equipment for hunting wild gamewith bow and arrow are aware ofthe fact that special types of huntingtips or arrowheads are required for effective results, particularlywhere relatively large game is being hunted. Where conventional,relatively streamlined arrowheads are used, it is possible to drive thearrow completely through, or at least well into, a fieshypart of theanimal being stalked, without effecting a fatal blow. However, it isrecognized that, by proper design of the arrowhead, a penetration madeat this same point could produce a fatal injury.

Furthermore, from the humane standpoint, conventional, streamlinedarrowheads can strike a relatively critical point in the body of a gameanimal, which will produce an eventual death, but, because the arrowproduces only a small wound with limited bleeding, such death may behours or days later by which time the animal has travelled sufficientlythat the hunter cannot recover its body. On the other hand, an arrowheadwhich is capable of producing a more rapid rate of bleeding could, bystriking this same point in the animals body, produce a quick and morehumane kill, and one where the hunter will more certainly be able torecover the animals body.

Accordingly, a primary object of this invention is the provision of ahunting-type arrowhead, designed to produce more quickly fatal resultsthan are possible with hunting-type arrowheads presently available.

A further object of this invention is the provision of an arrowhead, asaforesaid, which has excellent pene trating characteristics, which canbe easily and effectively resharpened to produce a very keen set ofpenetrating edges, which is provided with a plurality of surfacesresisting removal of the arrowhead from the game which it penetrates,and which can be used in a substantially conventional manner withconventional arrow shafts.

A further object of this invention is the provision of an arrowhead, asaforesaid, which can be manufactured inexpensively from sheet materialsby conventional machines and procedures, and which can be easily andquickly placed upon an arrow shaft by personnel of ordinary Sklll.

Other objects and purposes of this invention will become apparent topersons familiar with this type of equipment upon reading the followingspecification and examining the accompanying drawings, in which:

Figure l is a plan view of an arrowhead embodying my invention, andshown attached to a fragment of an arrow shaft.

Figure 2 is a side view of said arrowhead.

Patented Feb. 11, 1959 Figure 3 is an exploded, sectional view takenalong the line III-III of Figure 1.

Figure 4 is an exploded, front view of said arrowhead.

Figure 5 is a sectional view taken along the line V-V of Figure 2.

Figure 6 is a plan view of a modified arrowhead embodying the invention.

Figure 7 is a sectional view taken along the line VII- VII of Figure 6.

Figure 8 is a leading end view of the modified arrowhead shown inFigures 6 and 7.

Figure 9 is a front view of a further modified arrowhead embodying myinvention.

For the purpose of convenience in description, the terms front, rear,and derivatives thereof, will have reference to the right and left ends,respectively, of the arrowhead and parts associated therewith, asappearing in Figures 1, 2 and 3. The terms leading and trailing" willhave reference to the direction of flight of the arrowhead duringordinary use. The terms upper, lower, and derivatives thereof, will havereference to the arrowhead as appearing in Figures 2 and 4. The termsinner, outer, and derivatives thereof, will have reference to thegeometric center of said arrowhead and parts associated therewith.

General description In order to meet the objects and purposes set forthabove, as well as others related thereto, I have provided an arrowhead10, preferably having substantially identical upper and lower halves 11and 12, respectively, both fabricated from relatively stiff and durablematerial, such as steel, capable of receiving and retaining a sharpenededge. Both halves of said arrowhead 10 have flat, central portions 13and 14 which are disposed parallel with, and adjacent to, each other.Said upper and lower halves are provided with leading offset portions 15and 16, respectively, adjacent to, and including, the leading ends ofsaid halves. Said halves 11 and 12 are also provided with trailingoffset portions 17 and 18, respectively, adjacent to, and including, therearward ends of said halves. Said trailing portions combine to providea recess 19, in which the leading end of an arrow shaft 21 may be snuglyreceived in a conventional manner. Pin openings 22 are provided throughsaid trailing olfset portions 17 and 18 for receiving a dowel pin 23,whereby said shaft is held within said conical recess 19. The lateraledges 24 and 25 of said arrowhead 10, including the lateral edges 26 and27, 28 and 29, of the leading offset portions 15 and 16, respectively,may be sharpened.

Detailed construction As shown in Figures 1, 3 and 4, the upper andlower halves 11 and 12 of the arrowhead 10, which may be referred to asa broadhead, are preferably substantially identical. Thus, a detaileeddescription will be directed toward the upper half 11, and such will beunderstood to refer to both halves 11 and 12, unless specifically statedto the contrary. The leading offset portion 15 has, in this embodiment,a V-shaped cross-section, as shown in Figure 5, produced by the inclinedside walls 31 and 32. The lateral edges 26 and 27 of the side walls 31and 32 are beveled, also as shown in Figure 5, to provide sharp cuttingedges, which slope downwardly from the point 33 of the offset portion 15to the flat, central portion 13. The similarly beveled and sharpenedlateral edges 28 and 29 of theleading ofiset portion 16 on the lowerhalf 12 slope upwardly from the point 34 of said portion 16 to thecentral portion 14.

The two leading offset portions 15 and 16 (Figure 4),

- which are prismatically shaped in this embodiment, com

bine to provide a leading recess 35, which is substantially rectangularin cross-section. This recess 35 is closed by a pair of end walls 36 and37 on the halves 11 and 12, respectively. The end wall 36, for example,extends between the rearward edges 'of the side walls 31 and 32 and theadjacent edge of the fiat, central portion 13 to close the rear end ofthe V-shaped groove produced by the leading offset portion 15. Thelateral edges of the central portions 13 and 14 are beveled to producesharp, lateral edges 24 and '25, which constitute rearward extensions ofthe sharpened, lateral edges 26 and 27, 28 and 29, respectively, of theleading offset portions 15 and 16.

The trailing offset portions 17 and 18 (Figures 1 and 2), liketheleading offset portions 15 and 16, may be shaped, as by stamping, ina substantially conventional manner from the sheet material comprisingthe fiat portions 13 and 14, respectivly, of the arrowhead 10. Thetrailing offset portions 17 and 18 include semi-conical portionsandfwhen said halves 11 and 12 are assembled, said semi-conical portionscombine to provide a conical shaft recess 19.

The upper and lower halves 11 and 12 are then positioned with theircentral portions 13 and 14 adjacent to each other, after which they aresecured together, as by spot welding. The beveling, which creates thesharpened edges 24, 25, 26, 27, 28 and 29, may be accomplished eitherbefore or after the assembly of the upper and lower halves 11 and '12.

When the arrowhead has been fabricated, as described above, it may beeasilyand quickly mounted upon the leading end of an arrow shaft 21,after which a dowel pin is inserted through the dowel pin openings 22 inthe offset portions 17 and 18 and the adjacent portion of the shaft 21,to hold said shaft snugly and firmly within said conical recess 19.

In use, the leading offset portions 15 and 16 of the arrowhead will cuta rectangular opening in the side of the animal and produce a wound ofsize materially larger than the shaft ofthe arrow and one which will notclose around the shaft of the arrow. Further, the divergent edges 24 and25 of the arrowhead will cut the wound still wider on either side ofsaidrectangular opening. Thus, the wound will be large, cause very rapidbleeding, cannot possibly close on or around the shaft of the arrowsufficiently to inhibit the bleeding of any material extent and thuswill both effect a rapid death of the animal and, by providing asubstantial ilow of blood, will enable the hunter readily to follow theanimal for whatever period of time it remains alive. Thus, thelikelihood that the hunter will recover the animals body is greatlyimproved as compared with the use of conventional arrows and arrowheads.

Modified structure The modified arrowhead 41 (Figures 6, 7 audit), whichis generally similar in its appearance and construction to arrowhead 10,described hereinabove, is preferably formed from a pair of identical,relatively flat members 47 and 48. The trailing end portion of thearrowhead 41 has a conical recess 42 into which the leading end of anarrow shaft 43 is snuglyreceivable. The conical recess 42 is formed by apair of cooperating semiconical distortions 44 and 45 in the trailingend portions of upper and lower members 47 and 48, respectively, of saidmodified arrowhead 41.

The leading ends of the upper and lower members 47 and 48 are providedwith offset portions 4? and 5ft, which have triangular cross-sections,as indicated in Figure 8, and which cooperate to define a rectangularrecess 52. The recess 52 is here disclosed as having a height, which issubstantially greater than its width. This is in contrast to the recess34 in the arrowhead 10, which is substantially square in crossrsection.

It will be observed that the recess 52 is almost completely open andunobstructed at its trailing end, except for the relativelythincentralportions 53and 54 of said all) upper and lower members 47 and48 which extend across the trailing end of the recess 52. Accordingly,any material, such as the flesh of {a game animal, which enters therecess 52 through the leading end thereof, as a result of the normaloperation of the arrow, can pass through the openings 56 and 57 at thetrailing ends of the offset portions 49 and 50, respectively. It hasbeen found that, when an arrow having an arrowhead 41 is in normalflight, air passing through the recess 52 and the openings 56 and 57imports to said arrow, the stability of a conventional target arrow.This development has resulted in materially increasing both theeffectiveness and accuracy of arrows having a modified arrowhead 41, asby comparison with arrows having existing broadheads or'huntingarrowheads. The edges of the central portions 53 and 54 at the trailingends of the openings 56 and 57 may be sharpened, if desired, tofa'ciiltate the operation of the arrowhead 41.

The central ridges 58 and 59 of the oflfset portions 49 and (Figure 7)may be advantageously converged slightly toward their leading ends inorder to provide an expanding cross-section in the recess 52 toward thetrailing end thereof. This expanding recess tends to overcome theobstruction, and resultant constriction, produced in the trailing end ofthe recess 52, by the presence of the central portions 53 and 54, evenif they are sharpened. Such a constriction impedes the passage ofmaterials, such as the flesh of an animal, through the trailing end ofthe recess 52. Furthermore, it is believed that such an expandingsection decreases the turbulence of air passing through the recess 52,thereby improving the accuracy and range of the arrow.

As a result of the converging ridges, there is less tendency for theleading offset portions to be spread apart and damaged as a result ofimpact with a relatively durable object, such as a tree or the bone ofan animal. However, it will be recognized that, under somecircumstances, the ridges 58 and 59 may be either parallel or somewhatdivergent toward the leading end of the arrow head, particularly where aless eficient or effective performance will be acceptable.

The modified arrowhead 63 is provided with leading offset portions 64and 65 which are semi-circular in crosssection. In all other respects,the modified arrowhead 63 may be substantially identical to the modifiedarrowhead 41. Accordingly, the arrowhead 63 has openings 67 and 68 atthe trailing end of its recess 69 through which material, such as theflesh of a game animal, can pass as the arrowhead penetrates the animalsbody.

Although particular, preferred embodiments of the invention have beendisclosed hereinabove for illustrative purposes, it will be recognizedthat modifications or variations thereof, which lie within the scope ofsuch invention, are fully contemplated unless stated to the contrary inthe appended claims.

I claim:

1. Arrowhead structure comprising: an elongated, relatively flat bodymember having leading and trailing ends and a pair of lateral edges, themajor portions of which converge toward said leading end; means defininga substantially coaxial shaft recess in said body member near, andopening toward, the trailing end thereof; a pair of cooperating offsetmembers secured to said body member at the leading end thereof, saidoffset members defining a cavity substantially coaxial with said recess,each said offset member having lateral edges converging to form a pointat the leading ends thereof, the lateral edges of said offset membersmerging with the lateral edges of said body member.

2. Arrowhead structure, comprising: a pair of substantially identical,relatively flat and elongated members having leading and trailing endsand lateral edges, portions of which are tapered, respectively, towardthe leading and trailing ends of said members, said members beingrigidly secured to each other in substantially parallelpositions; saidmembers having cooperating offsetportionsnearsaid trailing ends defininga shaft recess between said members and opening toward the trailing endsthereof; and said members having offset portions near the leading endsthereof defining a recess between said members and opening toward theleading ends thereof, said recesses being substantially coaxiallyaligned with the lengthwise extent of said elongated members; and saidleading offset portions having lateral edges converging to form pointsat the leading ends of said elongated members and merging with thelateral edges thereof.

3. The structure of claim 2 wherein the recess defined by the leadingoffset portions is slightly larger in crosssectional area than thecross-sectional area of said shaft recess near the trailing end thereof.

4. The structure of claim 2 wherein the lateral edges of said elongatedmembers and the lateral edges of said leading offset portions arebeveled to provide sharp cutting edges.

5. Arrowhead structure comprising: a relatively flat body member havingleading and trailing ends and lateral edges converging substantiallythroughout their length toward the leading ends thereof; an arrow shaftrecess in said body member near, and opening toward the trailing endthereof; a pair of offset members integral with the leading end of saidbody member and defining a lengthwise passageway in said body memberopen at both converging toward a corresponding edge of the other pair ofedges in a direction toward the trailing end of said said body.

body, the corresponding edges of said pairs being joined at a pointspaced rearwardly from the leading end of 9. An arrowhead comprising: abody formed of a pair of substantially identical flat elements andhaving a leading and a trailing end, each of said elements having afirst offset portion adjacent the trailing end thereof and having a fiatportion extending from the trailing end thereof toward the leading edgethereof, said flat portion having forwardly converging side cuttingedges; said elements also having a second ofiset portion adjacent theleading end thereof, said second offset portion being coaxial with saidfirst offset portion and having a pair of forwardly converging sidecutting'edges merged'respectively, at the trailing end thereof with theside cutting edges of said fiat portion and extending away from the theleading and trailing ends thereof, said ofiset members being pointed attheir leading ends and having lateral edges merging with the lateraledges or said body memher.

6. The structure of claim 5 wherein the cross-section of said passagewayis substantially rectangular, and the trailing end of said passagewayopens on both sides of said body member. 7

7. The structure of claim 5 wherein said passageway has a substantiallyarcuate cross-section, and the lateral edges of said offset portions andsaid body member are sharpened.

plane of said flat portion, said side cutting edges of said secondoffset portion defining a point at the leading end thereof, said pointbeing offset fromthe plane of said flat portion; said elements beingsecured together with their flat portions abutting against each other sothat said first offset portions define a recess for receiving an arrowshaft and said second offset portions define a chamber therebetween,said chamber having a pair of transversely spaced points located at theleading end thereof on either side of said flat portions, said chamberopening toward the leading end thereof.

10. An arrowhead according to claim 9 wherein the internal walls of saidsecond offset portions converge toward the leading end of said body andmeans defining openings through the trailing ends of said second offsetportions whereby said second offset portions are open at both endsthereof.

References Cited in the file of this patent UNITED STATES PATENTS

